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5 Things: Highest Sources of Vitamin B12

Posted on August 04, 2008

There are a lot of B vitamins, and B12 is an important one. If you're deficient in this vitamin you can wind up feeling fatigued. Vitamin B12 helps maintain a healthy nervous system and your healthy red blood cells. It is involved in the process of making DNA as well as metabolizing protein. B12 helps make white blood cells, which are important for your immune system, and are necessary for pregnant women since they help with an embryo's neurological development. That's a lot for one little subset of a vitamin, but your body doesn't need much only 2.4 micrograms (mcg) of B12 a day (2.8 mcg ...

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diet , protein , vitamin b12 , vitamins